Firmware archive apparently for the Lenovo ThinkPad L430, with 04Y2001, likely a FRU part number for the board, and 554SE01521 in the name. No brand or board scheme is confirmed, so verify the model and motherboard label before trusting it. The 3.04 MB RAR is suited to reprogramming the BIOS chip with an SPI programmer on a unit that powers on without display. Keep a backup of the existing chip, and check that the image size matches the flash capacity before writing.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.
All sources (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 10 Mar 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 28 Oct 2019 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →